Chair



FIG. 1 is a perspective view of a chair showing my new design;

FIG. 2 is a front elevation view of a chair showing my new design;

FIG. 3 is a rear elevation view of a chair showing my new design;

FIG. 4 is a right side elevation view of a chair showing my new design;

FIG. 5 is a top plan view of a chair showing my new design; and,

FIG. 6 is a bottom plan view of a chair showing my new design.

The features of the chair frame shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a chair, as shown and described. 